Just my personal take on this, but I’d happily perform real work for free instead of sitting for leetcodes and behavioral questions. I struggle with those formats a lot but have no problems shipping in a realistic problem domain.

That tradeoff makes enough economic sense to me personally, but to each their own.

I do agree that companies flush with profit should be able to offer a stipend though, and unwillingness to do so is a signal I use to evaluate them.